United Farm Workers of America (UFW) supporters picket the Denver City and County building in Denver, Colorado. The picketers protest Judge Robert Cummins' decision to jail UFW coordinator Jerry Ryan for refusing to remove his "Boycott Gallo"...

Rusticated and finished stone buildings at the Soda Springs in Canon City, Colorado, were built in the 1890's with prison labor. Building features incised friezes, volutes and finials, a metal roof and ridge cresting. Men in suits stand by the Iron...

Tatanka Iyotanka, or Sitting Bull (1831-1890), wears a buckskin jacket with fringe, embroidery, and a fur collar. His felt hat has a Monarch butterfly tucked into the brim, and his hair falls to the sides.

View of the funeral of the Standing Rock Agency police in a civilian cemetery South Dakota, shows a group of whites and Native Americans, including agency police in uniform, around the graves and a tall wooden cross. The agency police were sent to...

Cesar Chavez and farmworker Jesús Valderrama, pose beside a hand lettered copy of the Bill of Rights outside the Denver City and County Building in Denver, Colorado. They were part of a protest against the incarceration and trial of United Farm...

Shows the arrest attempt of Sitting Bull on December 15, 1890 and the fight that broke out between Native American Sioux and U.S. Army soldiers wearing uniforms. Sitting Bull, the Hunkpapa Lakota leader was killed by Agency police.

View of the mining town of Hahns Peak (also known as Poverty Bar), the former county seat of Routt County, Colorado. A building has collapsed into a pile of rocks and concrete. The tin roofs are peeling off of the dilapidated log buildings in...

Head and shoulders profile studio portrait of a Native American (Sioux) man, identified as Red Tomahawk. He has a painted cloth draped over his shoulders and wears and eagle feather headdress on his head. He is known for being one of the Indian...

Head and shoulders studio portrait of a Native American (Sioux) man, identified as Red Tomahawk. He has a painted cloth draped over his shoulders and wears an eagle feather headdress. He is known for being one of the Indian police who shot and...

View of the funeral of the Standing Rock Agency police who were killed during the attempted arrest of Sitting Bull, a Native American (Hunkpapa Sioux), South Dakota. The men were buried in a civilian cemetery near the agency in South Dakota.

William Frederick "Buffalo Bill" Cody stops his horse on a ridge near Pine Ridge, South Dakota, to point toward something with his left hand. In the center midground, also on horseback, is Lieutenant General Nelson A. Miles, who employed Cody to...